Sierra Gear Replacement Rear Axle Shafts for GM Passenger Vehicles
Sierra Gear & Axle stocks a complete line of replacement, performance and Chromoly axle shafts. Performance axle shafts include chromoly and standard alloy with stock or upgraded splines, as well as cut-to-fit axle shafts for custom housings. If you don’t see the Axle Shafts you are looking for in the application chart below, give us a call at 800-792-2714 as we are constantly adding new applications to our inventory.
Axle Bearing and Seal Kits can be found here
GM 7.5” & 7.625”
| YEAR | APPLICATION | LUG | SP | LENGTH | SIDE | OEM # | SIERRA # |
| 77-88 | MALIBU | 5 | 26 | 28 7/16” | B | 551818 | SA 551818 |
| 78-87 | EL CAMINO, GMC SPRINT | 5 | 26 | 28 7/16” | B | 551818 | SA 551818 |
| 80-92 | IMPALA DRUM BRAKES | 5 | 26 | 30 5/16” | B | 22506477 | SA 22506477 |
| 90-92 | CAMARO T/A | 5 | 28 | 30 5/16” | B | 26031251 | SA 26031251 |
| 93-97 | CAMARO T/A | 5 | 28 | 32 1/8” | B | 26027588 | SA 26027588 |
| 98-02 | CAMARO | 5 | 28 | 32” | B | 26059972 | SA 26059972 |
GM 8.2”
| YEAR | APPLICATION | LUG | SP | LENGTH | SIDE | OEM # | SIERRA # |
| 67-69 | CAMARO | 5 | 28 | 29 ½” | B | 1255803 | SA 1255803 |
| 70-72 | CAMARO | 5 | 28 | 30 1/16” | B | 1255802 | SA 1255802 |
| 64-67 | CHEVELLE | 5 | 28 | 29 ½” | B | 1255803 | SA 1255803 |
| 68-72 | CHEVELLE | 5 | 28 | 30 1/16” | B | 1255802 | SA 1255802 |
| 66-69 | GTO & FIREBIRD BOLT IN | 5 | 28 | 30” | B | 9794667 | SA 9794667 |
| 65-67 | NOVA | 5 | 28 | 28 5/8” | B | 3863726 | SA 3863726 |
| 68-72 | NOVA | 5 | 28 | 29 ½” | B | 1255803 | SA 1255803 |
GM 8.5” & 8.625”
| YEAR | APPLICATION | LUG | SP | LENGTH | SIDE | OEM # | SIERRA # |
| 73-77 | CHEVELLE | 5 | 28 | 30 5/16” | B | 1255801 | SA 1255801 |
| 73-79 | NOVA/VENTURA/OMEGA | 5 | 28 | 29 ½” | B | 1255803 | SA 1255803 |
| 73-81 | CAMARO/FIREBIRD | 5 | 28 | 30 1/16” | B | 1255802 | SA 1255802 |
| 73-77 | MONTE/CUTLASS/REGAL | 5 | 28 | 30 5/16” | B | 1255801 | SA 1255801 |
| 78-87 | GRAND NATIONAL | 5 | 28 | 28 ½” | B | 14075744 | SA 14075744 |
| 89-96 | CAPRICE (89-90 3.08 ONLY) | 5 | 30 | 30 7/16” | B | 26018080 | SA 26018080 |
| 90 | FLEETWOOD LIMO | 5 | 30 | 30 7/16” | B | 26014037 | SA 26018080 |
GM 12 BOLT PASSENGER
| YEAR | APPLICATION | LUG | SP | LENGTH | SIDE | OEM # | SIERRA # |
| 64-67 | CHEVELLE | 5 | 30 | 29 3/8” | B | 12398538 | SA 12398538 |
| 68-72 | CHEVELLE, MONTE CARLO | 5 | 30 | 30 3/16” | B | 3969285 | SA 3969285 |
| 68-72 | NOVA | 5 | 30 | 29 3/8” | B | 12398538 | SA 12398538 |
| 67-69 | CAMARO | 5 | 30 | 29 3/8” | B | 12398538 | SA 12398538 |
| 70-72 | CAMARO | 5 | 30 | 30 3/16” | B | 3969285 | SA 3969285 |